A004067 The coding-theoretic function A(n,6,7).

1, 1, 1, 3, 6, 12, 26, 42, 69

Offset

7,4

References

CRC Handbook of Combinatorial Designs, 1996, p. 411.

Links

Table of n, a(n) for n=7..15.

A. E. Brouwer, Bounds for binary constant weight codes

A. E. Brouwer, J. B. Shearer, N. J. A. Sloane and W. D. Smith, New table of constant weight codes, IEEE Trans. Info. Theory 36 (1990), 1334-1380.

Index entries for sequences related to A(n,d,w)

Crossrefs

Sequence in context: A243721 A280109 A099445 * A278821 A274476 A274059

Adjacent sequences: A004064 A004065 A004066 * A004068 A004069 A004070

Keyword

nonn,hard

Author

N. J. A. Sloane

Extensions

a(15) from Moshe Milshtein, Dec 23 2018

Status

approved